Measurement and control of polymerization reactions

Claim 1

COMPUTING APPARATUS TO PERFORM A PLURALITY OF MULTIPLICATIONS AND TO SUM THE RESULTING PRODUCTS COMPRISING A PLURALITY OF MULTIPLYING NETWORKS, EACH NETWORK COMPRISING A PLURALITY OF POTENTIOMETERS CONNECTED IN CASCADE RELATIONSHIP WITH ONE ANOTHER, A VOLTAGE SOURCE APPLIED ACROSS THE FIRST OF SAID POTENTIOMETERS, A PLURALITY OF MEANS TO MEASURE VARIABLES TO BE MEASURED AND TO ESTABLISH ELECTRICAL SIGNALS REPRESENTATIVE THEREOF, A PLURALITY OF MOTORS HAVING THE DRIVE SHAFTS THEREOF, CONNECTED TO RESPECTIVE CONTACTORS OF SAID POTENTIOMETERS, AN AMPLIFIER, FIRST SWITCHING MEANS TO APPLY SAID ELECTRICAL SIGNALS SEQUENTIALLY TO THE INPUT OF SAID AMPLIFIER, AND SECOND SWITCHING MEANS TO APPLY THE OUTPUT SIGNALS OF SAID AMPLIFIER SEQUENTIALLY TO THE INPUTS OF SAID MOTORS SO THAT THE CONTACTORS OF SAID POTENTIOMETERS ARE SET IN SEQUENCE REPRESENTATIVE OF RESPECTIVE VARIABLES TO BE MEASURED; AND MEANS TO SUM THE VOLTAGES BETWEEN THE CONTACTORS AND FIRST END TERMINALS OF THE LAST POTENTIOMETERS OF SAID NETWORKS.